The resistance of an electrical toaster has a temperature dependence given by R(T)=R_0[1+\alpha(T-T_0)] in its range of operation.At T_0=300K,R=100\Omega and at T=500K,R=120\Omega.The toaster is connected to a voltage source at 200 V and its temperature is raised at a constant rate from 300 to 500 K in 30 s. The total work done in raising the temperature is : [Main 10 Apr 2016]

Correct Answer is : None of the above

JEE Main 10 April 2016 Paper

Section: Physics

Question : 14 of 90

Marks: +1, -0

The resistance of an electrical toaster has a temperature dependence given by R(T)=R0[1+α(T−T0)] in its range of operation.At T0=300K,R=100Ω and at T=500K,R=120Ω.The toaster is connected to a voltage source at 200 V and its temperature is raised at a constant rate from 300 to 500 K in 30 s. The total work done in raising the temperature is :

[Main 10 Apr 2016]

400ln
1.5
1.3
J
200ln
2
3
J
400ln
5
6
J
300J
None of the above

Validate

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